It’s probably just being used as staging for the work going on at the south side of the site. Rebar is being used to build the ramp and will be needed to construct the eventual roof above the garage.Noticed the rebar on Benito's photo and when i walked by on Wednesday but did not want to start the permit or no permit conversation.
The next stage above ground won’t use rebar (outside a few exceptions with elevator shafts and free standing walls). They’re bringing in iron super columns that will be bolted in to build the podium for the tower. The thing will go from flat to 3 stories tall in a matter of days.